Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)

v3.6.0.2
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings Per Share Basic And Diluted Line Items                      
Net Income $ 38,007 $ 49,651 $ 47,783 $ 31,928 $ 31,749 $ 45,046 $ 45,073 $ 30,281 $ 167,369 $ 152,149 $ 137,664
Less: Dividends paid                 (109,002) (91,755) (75,750)
Undistributed earnings for the period                 58,367 60,394 61,914
Allocation of undistributed earnings:                      
Undistributed earnings                 $ 58,367 $ 60,394 $ 61,914
Basic shares outstanding:                      
Basic shares outstanding                 218,244,000 218,583,000 218,695,000
Diluted shares outstanding                      
Basic shares outstanding                 218,244,000 218,583,000 218,695,000
Weighted average participating shares outstanding - assuming dilution (in shares)                 218,244,000 218,583,000 218,695,000
Basic earnings per share                      
Total shares of common stock, basic (in dollars per share) $ 0.17 $ 0.23 $ 0.22 $ 0.15 $ 0.15 $ 0.21 $ 0.21 $ 0.14 $ 0.77 $ 0.7 $ 0.63
Diluted earning per share:                      
Total shares of common stock, diluted (in dollars per share) $ 0.17 $ 0.23 $ 0.22 $ 0.15 $ 0.15 $ 0.21 $ 0.21 $ 0.14 $ 0.77 $ 0.7 $ 0.63
Common Stock [Member]                      
Earnings Per Share Basic And Diluted Line Items                      
Less: Dividends paid                 $ (107,880) $ (90,631) $ (74,704)
Undistributed earnings for the period                 57,722 59,611 61,001
Allocation of undistributed earnings:                      
Undistributed earnings                 57,722 59,611 61,001
Diluted allocation of undistributed earnings                 $ 57,722 $ 59,611 $ 61,001
Basic shares outstanding:                      
Basic shares outstanding                 215,831,000 215,749,000 215,470,000
Diluted shares outstanding                      
Basic shares outstanding                 215,831,000 215,749,000 215,470,000
Dilutive effect of stock options (in shares)                  
Weighted average participating shares outstanding - assuming dilution (in shares)                 215,831,000 215,749,000 215,470,000
Basic earnings per share                      
Distributed earnings basic (in dollars per share)                 $ 0.50 $ 0.42 $ 0.35
Undistributed earnings basic (in dollars per share)                 0.27 0.28 0.28
Total shares of common stock, basic (in dollars per share)                 0.77 0.70 0.63
Diluted earning per share:                      
Distributed earnings diluted (in dollars per share)                 .46 0.42 0.35
Undistributed earnings diluted (in dollars per share)                 0.27 0.28 0.28
Total shares of common stock, diluted (in dollars per share)                 $ .73 $ 0.70 $ 0.63
Participating Securities [Member]                      
Earnings Per Share Basic And Diluted Line Items                      
Less: Dividends paid                 $ (1,122) $ (1,124) $ (1,046)
Undistributed earnings for the period                 645 783 913
Allocation of undistributed earnings:                      
Undistributed earnings                 645 783 913
Diluted allocation of undistributed earnings                 $ 645 $ 783 $ 913
Basic shares outstanding:                      
Basic shares outstanding                 2,413,000 2,834,000 3,225,000
Diluted shares outstanding                      
Basic shares outstanding                 2,413,000 2,834,000 3,225,000
Weighted average participating shares outstanding - assuming dilution (in shares)                 2,413,000 2,834,000 3,225,000
Basic earnings per share                      
Distributed earnings basic (in dollars per share)                 $ 0.50 $ 0.42 $ 0.32
Undistributed earnings basic (in dollars per share)                 0.27 0.28 0.28
Total shares of common stock, basic (in dollars per share)                 0.77 0.68 0.60
Diluted earning per share:                      
Distributed earnings diluted (in dollars per share)                 0.46 0.42 0.32
Undistributed earnings diluted (in dollars per share)                 0.27 0.28 0.28
Total shares of common stock, diluted (in dollars per share)                 $ 0.73 $ 0.68 $ 0.60